Ireland and Jersey amended their tax treaty agreement on 23 November, 2023. The details of the amendments have recently been revealed.

The protocol updates the preamble to include not only the intention to eliminate double taxation but also to prevent opportunities for nontaxation or reduced taxation through tax evasion or avoidance.  It amends definitions of Article 3, particularly the meaning of the terms Ireland and Jersey; Mutual Agreement Procedure (Article 9) has been revised to allow for cases to be submitted to the competent authority of either Contracting Party; and Entitlement to Benefits (Article 9A) is has been introduced.

The protocols will come into effect from 1 January of the year the ratification instruments are exchanged.

The tax agreement between the two nations was signed on 26 March 2009, and has been operational since 2010.